/*
* Copyright 2004-2023 H2 Group. Multiple-Licensed under the MPL 2.0,
* and the EPL 1.0 (https://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.message;
/**
* The backend of the trace system must implement this interface. Two
* implementations are supported: the (default) native trace writer
* implementation that can write to a file and to system out, and an adapter
* that uses SLF4J (Simple Logging Facade for Java).
*/
interface TraceWriter {
/**
* Set the name of the database or trace object.
*
* @param name the new name
*/
void setName(String name);
/**
* Write a message.
*
* @param level the trace level
* @param module the name of the module
* @param s the message
* @param t the exception (may be null)
*/
void write(int level, String module, String s, Throwable t);
/**
* Write a message.
*
* @param level the trace level
* @param moduleId the id of the module
* @param s the message
* @param t the exception (may be null)
*/
void write(int level, int moduleId, String s, Throwable t);
/**
* Check the given trace / log level is enabled.
*
* @param level the level
* @return true if the level is enabled
*/
boolean isEnabled(int level);
}